Several key techniques are described including the representation and classification of volume data, typical algorithms of surface rendering, volume rendering and hybrid rendering.

对体视化的几种关键技术进行了分类综述，介绍了体数据的表示和分类，面绘制、体绘制和混合绘制各类典型算法的原理和特点。

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The key techniques of the rendering of vector data over 3d terrain based on stencil shadow volume algorithm are detailed and the effectiveness of this method is test-proven.

详细论述了基于模板阴影体算法矢量数据绘制的关键技术，并通过试验验证了该方法的有效性。

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By combining shadow map, shadow volume and ray marching techniques, a new hybrid method is proposed for rendering of volumetric shadows under participating media.

该算法将阴影图和阴影体算法相结合，先通过阴影图绘制出阴影的轮廓，再利用阴影体算法更新轮廓处象素的模板缓冲值。

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Many observers have suggested defensive techniques that deploy TrueCrypt disk encryption with hidden volume partitions or PGP Whole Disk Encryption rendering the entire computer unbootable thereby making even file time and date stamps unavailable.

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